Angelus unites the chronograph's key functional scales—telemeter, pulsometer, and tachymeter—in a single design. True to its heritage as a maker of functional timepieces, Angelus brings together the expertise developed through its previous instruments in the Instrument de Mesures. Produced in two limited editions of 25 pieces, this watch is a genuine instrument of measurement, designed to calculate elapsed time, the speed of sound, distance travelled and heart rate. Using a single chronograph hand, it integrates three functions, each with its own dedicated scale. Housed in a 39 mm steel case, its three-dimensional dial is both highly legible and meticulously graduated, giving the Instrument de Mesures the character of an authentic tool watch with a distinctive vintage charm and singular identity.

One Instrument, Multiple Measurements
Integrating these three scales alongside the essential minute track required a particularly sophisticated design approach. The amount of information to be displayed, combined with the need for legibility and clarity, led Angelus to adopt a distinct colour code for each function. This arrangement is reinforced by a three-dimensional dial construction, featuring a domed centre and outer edge connected by a sloping intermediate section. The telemetric scale is situated on the highest level at the periphery of the dial. The pulsometer extends across the angled intermediate section, and the tachymeter, in the form of a spiral, is located closest to the hands.

The In-House A5000 Chronograph Calibre
The Instrument de Mesures is powered by Angelus's in-house A5000 chronograph calibre. Its classical architecture showcases numerous intricately shaped components, providing an ideal canvas for high-end finishing. Faithful to the great traditions of chronograph watchmaking, the A5000 incorporates a column wheel and a horizontal clutch, both defining features of traditional chronographs.
 

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Armin Strom proudly unveils a new expression of its horological mastery with the launch of the Mirrored Force Resonance in 18K Rose Gold. This limited edition marks a significant milestone for the brand’s most iconic timepiece, blending technical innovation with timeless elegance.

A First in Rose Gold

For the first time, Armin Strom’s signature case is crafted from 18K rose gold, offering a warm and luxurious aesthetic. The 43 mm case features alternating brushed and polished finishes, enhancing its sculptural presence. Beneath the sapphire crystal, a bold black off-centre dial showcases a handcrafted sunray guilloché pattern, created using a traditional rose engine lathe. A chapter ring with circular finishing adds depth and texture, while a dark grey Alcantara strap completes the refined look.

Resonance Engineered for Performance

At the heart of this timepiece lies the Caliber ARF21, a manually wound movement that exemplifies Armin Strom’s pioneering work in resonance watchmaking. The patented Resonance Clutch Spring synchronizes two independent balance wheels, enhancing precision and chronometric stability. A pusher at 2 o’clock resets the twin seconds counters, offering a visual demonstration of the resonance mechanism’s accuracy.

Craftsmanship Without Compromise

Every surface of the movement is meticulously hand-finished, visible through sapphire crystals on both sides of the case. Techniques such as hand-beveling, black polishing, perlage, and circular graining highlight Armin Strom’s commitment to haute horology. Each watch is assembled twice to ensure mechanical integrity and flawless finishing.

Limited Edition of 15 Pieces

This exclusive release is limited to just 15 pieces, each priced at CHF 88,000. It represents a rare opportunity to own a timepiece that embodies both technical brilliance and artisanal beauty.
A Statement from Claude Greisler

“The introduction of an 18-karat rose gold case marks a significant milestone for the Mirrored Force Resonance series. This choice of material not only enhances the aesthetic appeal but also underscores our commitment to offering a diverse range of options to our clientele,” said Claude Greisler, Co-Founder and Master Watchmaker at Armin Strom.

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ARMIN STROM introduces a compelling new interpretation of its most emblematic complication with the debut of the Mirrored Force Resonance Ruby. This creation stands out through its extraordinary natural ruby dial, sourced and crafted by a local Swiss stone artisan. The brand selected only genuine ruby exhibiting depth of colour, fine inclusions, and naturally occurring variations—features that are not flaws but signatures of authenticity, shaped by geological processes over millions of years. As light moves across the dial, subtle tonal shifts appear, infusing the watch with a vibrant mineral presence that contrasts strikingly with the symmetry and modernity of the exposed mechanics.

Beyond its visual impact, this edition embodies ARMIN STROM’s belief that materials must carry meaning. While natural ruby asserts its aesthetic and symbolic presence on the dial, synthetic ruby jewels within the movement fulfil their longstanding horological role of reducing friction and ensuring long-term precision. It is a thoughtful dialogue between nature and engineering, where raw mineral beauty coexists with technical necessity.

At the core of the watch lies the hand-finished Calibre ARF21, a manufacture movement entirely designed and produced in-house. Its defining feature is the brand’s patented Resonance Clutch Spring, which connects two independent regulating systems, enabling the balance wheels to oscillate in harmonic resonance. This phenomenon enhances chronometric stability and is visually showcased by a pusher at 2 o’clock that resets both seconds hands simultaneously—a dramatic demonstration of mechanical synchronicity in action. Operating at 3.5 Hz (25,200 vph) and offering a 48-hour power reserve, the movement transforms a centuries-old scientific principle into contemporary watchmaking mastery.

Craftsmanship remains central to ARMIN STROM’s ethos. The bridges feature hand-polished bevels, black-polished screws, perlage, and circular graining, with Geneva stripes enriching the reverse side. As with every ARMIN STROM timepiece, each watch is assembled twice, ensuring absolute performance and finishing quality. This meticulous approach, combined with the vibrant ruby dial, creates a visually dynamic composition—a living interplay between stone, metal, and motion.

Encased in a 43 mm stainless steel case and fitted with a grey Alcantara strap featuring white stitching, the Mirrored Force Resonance Ruby delivers both presence and refinement. It is not merely a new dial variation, but an artistic expression grounded in horological integrity—an encounter between natural geology and mechanical resonance, distilled into a timepiece of exceptional character.
 

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Arnold & Son introduces a radiant new chapter in feminine watchmaking with the Perpetual Moon 38 White Gold Aventurine Edition. Limited to just 18 pieces, this poetic timepiece captures the magic of moonlight and the brilliance of the stars.

Encased in 18-carat white gold, the 38 mm watch features a dial crafted from blue aventurine glass, evoking a starlit sky. The bezel, lugs, and crown are adorned with 80 brilliant-cut diamonds, while 12 marquise-cut diamonds mark the hours. At its heart lies a mother-of-pearl moon disc, framed by hand-painted constellations of Ursa Major and Cassiopeia, enhanced with Super-LumiNova for a celestial glow.

Powered by the A&S1612 manual-winding movement, the watch offers a 90-hour power reserve and an astronomically precise moon phase complication that deviates by only one day every 122 years.

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Chronoswiss proudly presents the Delphis Art Deco, a striking new edition that bridges the design philosophy of the Roaring Twenties with modern mechanical watchmaking. Housed in a 42mm Grade 5 titanium case with a matte finish, this limited-edition timepiece pays homage to an era celebrated for its architectural clarity, geometric symmetry, and creative freedom. Combined with a black nubuck strap, the piece achieves a balanced, modern presence that elevates the emblematic Delphis complication first introduced in 1996.

At the center of the watch is a lasered, nickel-coated main dial featuring a subtle three-dimensional texture in a refined grey tone. The upper stage hosts the iconic Delphis display: a digital jumping hour at 12 o'clock, a sweeping retrograde minute hand, and a subdial at 6 o'clock. Highlighted in a captivating "Art-Deco Blue" lacquer over a hand-guilloché base engraved on century-old machines at Atelier Lucerne, the subdial is beautifully accented by a gold-plated minute ring that adds a warm, geometric contrast.

Beating inside is the manufacture automatic Caliber C.6004, developed in partnership with La Joux-Perret. Visible through the transparent sapphire crystal caseback, this 37-jewel movement delivers a 55-hour power reserve and features ruthenium-plated bridges decorated with Geneva stripes and a skeletonized tungsten rotor. The 17-piece solid titanium case incorporates Chronoswiss’s signature onion crown, patented Autobloc screw lugs, and a robust 10 bar (100m) water resistance rating.

Strictly limited to just 150 pieces worldwide, the Chronoswiss Delphis Art Deco is a sophisticated mechanical tribute to 1920s design reimagined for contemporary collectors. Blending heritage hand-craftsmanship with modern engineering, it represents a bold new chapter for one of the brand's most recognizable models. The Delphis Art Deco is now available for order through authorized Chronoswiss retailers and official channels.

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Chronoswiss introduces the Lunar Chronograph Aurora, a contemporary evolution of one of the brand’s most enduring icons. Since its debut in 1999, the Lunar Chronograph has symbolized Chronoswiss’s ability to blend classical Swiss watchmaking with an independent, expressive spirit. The new Aurora edition carries this legacy forward through a captivating reinterpretation rooted in light, color, and mechanical harmony.

At the heart of the transformation is its fully CVD‑coated dial, which shifts fluidly from deep green to vivid blue as light moves across its surface. Inspired by the ethereal glow of the aurora borealis, this chromatic effect gives the watch a quietly dramatic presence, making every glance feel like a changing atmospheric phenomenon. Balanced chronograph counters, a central analog date, and a poetic moon phase at 3 o’clock come together to form a composition that remains faithful to the model’s architectural heritage while embracing a distinctly modern personality.

The polished stainless‑steel case retains iconic design elements that have defined Chronoswiss for decades, including the onion crown and screwed lugs—details that reinforce the watch’s lineage and mechanical authenticity. Paired with a contemporary grey nubuck leather strap, the Lunar Chronograph Aurora combines classical provenance with renewed visual energy, offering collectors a sophisticated yet forward‑looking chronograph that bridges past and present with effortless elegance.

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